Release Notes: This release includes numerous enhancements and fixes from previous releases. The major improvements include an improved build system that allows external plugins, an update checker to download the latest version over the net, a standard Mac "app bundle," improved protein rendering, a new peptide builder, and many, many more bugfixes and minor feature improvements.

Release Notes: This release includes numerous enhancements and fixes, including improved surface and orbital rendering quality and performance, support for GLSL on some systems, significantly improved Python scripting, improved POV-Ray export including surfaces and orbitals, and many more bugfixes and minor feature improvements.

Release Notes: Many user interface improvements and bugfixes. A fragment library for faster molecular building, an embedded Python interpreter, initial support for animations and trajectories, improved molecular mechanics, support for generating molecular orbitals from Gaussian checkpoint files, and many more small enhancements.

Release Notes: Enhanced rendering options have been added, including crystallographic unit cells, transparency, flexible atom and bond labels, and custom rendering options. New editing tools include drawing with the entire periodic table, animated rotations, automatic optimization, and changing bond lengths and angles. The plugin architecture has been improved, including an export to POV-Ray for rendering. Initial support for internationalization has also been added, including German and French translations.

Release Notes: This release includes initial support for 3D editing of molecular files in a wide range of formats. It includes a range of standard rendering plugins, mouse tools, and commands for operating on molecules, including simple geometry optimization, adding and removing hydrogens, etc.